महाभारतः mahābhārataḥ - book-12, chapter-272, verse-13

ततः समभवद्युद्धं त्रैलोक्यस्य भयंकरम् ।
शक्रस्य च सुरेन्द्रस्य वृत्रस्य च महात्मनः ॥१३॥

13. tataḥ samabhavadyuddhaṁ trailokyasya bhayaṁkaram ,
śakrasya ca surendrasya vṛtrasya ca mahātmanaḥ.

13. tataḥ samabhavat yuddham trailokyasya bhayaṃkaram
śakrasya ca surendrasya vṛtrasya ca mahātmanaḥ

13. tataḥ trailokyasya bhayaṃkaram yuddham śakrasya
surendrasya ca mahātmanaḥ vṛtrasya ca samabhavat

13. Then a terrible battle for the three worlds ensued between Indra, the lord of the gods, and the great-souled Vṛtra.

Words meanings summery:

• ततः (tataḥ) - then (referring to time) (then, therefrom, after that)

• समभवत् (samabhavat) - ensued, took place (occurred, arose, became)

• युद्धम् (yuddham) - battle (battle, fight, war)

• त्रैलोक्यस्य (trailokyasya) - of the three worlds

• भयंकरम् (bhayaṁkaram) - terrible (terrible, dreadful, formidable)

• शक्रस्य (śakrasya) - of Śakra (Indra) (of Indra, of Śakra)

• च (ca) - and

• सुरेन्द्रस्य (surendrasya) - of the lord of gods (of the lord of gods, of Indra)

• वृत्रस्य (vṛtrasya) - of Vṛtra

• च (ca) - and

• महात्मनः (mahātmanaḥ) - of the great-souled (Vṛtra) (of the great-souled, of the magnanimous)

Words meanings and morphology

ततः (tataḥ) - then (referring to time) (then, therefrom, after that)

(indeclinable)

From pronominal base ta- with suffix -tas

समभवत् (samabhavat) - ensued, took place (occurred, arose, became)

(verb)

3rd person , singular, active, past imperfect (laṅ) of sam√bhū

Imperfect, 3rd person, singular, active voice

Prefix: sam

Root: bhū (class 1)

युद्धम् (yuddham) - battle (battle, fight, war)

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, war

From root yudh- (to fight)

Root: yudh (class 4)

Note: Also accusative singular, but here nominative as subject of 'samabhavat'.

त्रैलोक्यस्य (trailokyasya) - of the three worlds

(noun)

Genitive, neuter, singular of trailokya

trailokya - the three worlds (heaven, earth, and netherworld)

From 'triloka' (three worlds) + 'ya' suffix for 'relating to'.

Compound type : dvigu (tri+loka)

• tri – three
  numeral
• loka – world, realm, people
  noun (masculine)
  Root: lok (class 1)

Note: Pertaining to the three worlds, or for the three worlds.

भयंकरम् (bhayaṁkaram) - terrible (terrible, dreadful, formidable)

(adjective)

Nominative, neuter, singular of bhayaṃkara

bhayaṁkara - causing fear, dreadful, terrible

From 'bhaya' (fear) + 'kara' (making).

Compound type : tatpuruṣa (bhaya+kara)

• bhaya – fear, dread
  noun (neuter)
  Root: bhī (class 3)
• kara – making, doing, causing
  adjective (masculine)
  Suffix -a from root kṛ
  Root: kṛ (class 8)

Note: Agrees with 'yuddham'.

शक्रस्य (śakrasya) - of Śakra (Indra) (of Indra, of Śakra)

(proper noun)

Genitive, masculine, singular of śakra

śakra - powerful, mighty; a name of Indra

From root śak- (to be able).

Root: śak (class 5)

Note: Refers to the deity Indra.

च (ca) - and

(indeclinable)

Conjunction

सुरेन्द्रस्य (surendrasya) - of the lord of gods (of the lord of gods, of Indra)

(proper noun)

Genitive, masculine, singular of surendra

surendra - chief of gods, lord of gods (epithet of Indra)

Compound of 'sura' (god) and 'indra' (chief).

Compound type : tatpuruṣa (sura+indra)

• sura – god, deity
  noun (masculine)
• indra – Indra (name of a Vedic deity), chief, lord
  noun (masculine)

Note: Agrees with 'śakrasya'.

वृत्रस्य (vṛtrasya) - of Vṛtra

(proper noun)

Genitive, masculine, singular of vṛtra

vṛtra - Vṛtra (name of an Asura, foe of Indra)

From root vṛ- (to cover, to encompass).

Root: vṛ (class 5)

च (ca) - and

(indeclinable)

Conjunction

Note: Connects Vṛtra with Indra.

महात्मनः (mahātmanaḥ) - of the great-souled (Vṛtra) (of the great-souled, of the magnanimous)

(adjective)

Genitive, masculine, singular of mahātman

mahātman - great-souled, magnanimous, noble-minded, great self (ātman)

Compound of 'mahā' (great) and 'ātman' (soul/self).

Compound type : bahuvrīhi (mahā+ātman)

• mahā – great, large, mighty
  adjective
• ātman – self, soul, spirit, essence (ātman)
  noun (masculine)
  Root: an (class 2)

Note: Agrees with 'vṛtrasya'.